Spout-closure for receptacles.



AQ H. ommss; SPOUT CLOSURE FOR RECEPTAGLES.

APPLICATION FILED APR. 12, 1913.

Patented Nov. 4, 1913.

314mm AZZen/HC'urZiSS, 1 a, 6

' I {1km iiiiiimmmmmr s'rATEs IATENT OFFICE.

SIOUT-CLOSUKE FOR RECEPTACLES.

vided with lateral lugs 14 adapted to snap PatentedNov. 4, 1913.

2. In combination with a receptacle, a

Specification of Letters Patent. 4 Application flied April 12, 1913.Serial No. 760,751. To all whom it may concern: under the edge of saidflange, the flat rim Be it known that I, ALLEN H. CURTISS, 15 of saidseal restin on the top of ridge a citizen of the United States, residingat 11 and the inclined ace 16 of the down- Conneaut, in the county ofAshtabula and wardly extending conoidal body of said seal 60 State ofOhio, have invented certain new aiiordingspace between it and the innerand useful Improvements in Spout-Closures face of said flange to receivea acking for Receptacles,'of which the following is gasket 17 of rubberor other suitab e coma ifi ti n, v pressible material. When the saidplug cap This invention relates to the spouts and is screwed home in thesaid spout the cush- 65 closures of fluid receptacles, which use reionin the lower end of the former will bear movable plug caps titted intothe spout. evenly on the flat top of the rim of said There is usually insuch devices a certain seal, holding the latter tightly down on amountof risk that the plug may work loose the ridge 12 of the can top andspreading during the shipment or handling and allow and deforming thesaid gasket, which is 70 15 the contents to leak from the can. To guardpreferably normally of circular cross-secagainst this I combine with theplug cap a tion and of sufiicient diameter to spread as spring sealarranged below the same and arshown in Fig. 1 between the proximatesurranged to have the said plug cap bear on it faces of the seal and cantop and effectually when screwed home: also a gasket arranged guardagainst leakage. 75 between the spring seal disk and the top of Whensome part of the fluid in the can the can and adapted to be compressedand is to be poured out the screw cap is unspread by the action of saidcap on said seal, screwed and removed and the seal may then thereby moreperfectly closing against leak-- be cut away. Also a removal of the plugage the joint between said seal and said can. may be effected at anytime, for permitting 30 In the accompanying drawings: Figure linspection of said seal. But no removal or represents a vertical sectionthrough a spout loosening of the plug, whether intentional and closureembodying my invention, inor unintentional, will dislodge the seal oreluding a part of the top of the can; and have any injurious effectbeyond making the Figs. 2, 3 4 and 5 represent detail views of joint ofthe seal less perfectly and less cer- 35 a part of the can top, theseal, the spout tainly air-tight and liquid-tight, owing to and the plugcap respectively, the withdrawal of compression from the The spout 1 maybe of the well-known gasket. After the required amount of liquidcoal-hod form shown, having 'a screwhas been poured out of thereceptacle, the threaded tubular stem 2. The cylindrical plug cap isreinserted in the spout and will 90 tubular plug cap 3 is alsoscrew-threaded prevent further escape of liquid. at 4, to turn into thescrew-threads of said Of course the spout, plug and seal may stem andholds in its lower end a cushion be used as above described, with anyrecep- 5 of cork or other suitable soft material, t'acle, although forconvenience the word which is prevented from moving up too far can hashereinbefore generally been used. 5 40 in said plug cap by a stopconsisting pref- Having thus described my invention, what crably of aninternal annular bead 6 I claim as new and desire to secure byLetstamped or turned or otherwise pressed inters Patent is: ward abovesaid screw-threads 4. The can 1. In combination with a receptacle, a top7 has an opening 8 under said spout and spout attached thereto andreceiving within 100 the material of said top surrounding said it at thebottom an annular part of the top opening is bent up and down as shownin of said receptacle having an upwardly pre- Figs. 1 and 2, forming anannular soldersented face, a plug cap fitting said spout, a groove 9,which receives the lower edge of spring seal adapted'to close thepassage to the spout, permitting it to be soldered theresaid spout andarranged to receive the pres- 105 to; also a raised annular ridge 11,nearer the sure of said plug cap and having a flat anopening 8 than issaid groove, and a longer nular part extending over said annular partinwardly inclined and convex annular flange of the receptacle top and agasket arranged 12, which extends at its lower edge below the betweensaid annular parts of said seal and level of said can-top. A circularmetallic said receptacle and adapted to be spread by 110 spring seal 13of a well known type is prosaid pressure for preventing leakage.

spout attached thereto, a seal closing the 4. In combination with areceptacle, a passage to said spout and engaging said spout thereforhaving a screw-threaded tureceptacle, a removable tubular plug. bularlower part, a plug cap screw threaded cap within said spout and acushion of to engage therewith, a spring seal arranged 4 5 soft materialfitted into the lower end of to be pressed by said lug cap and packlng25 said plug cap, the latter being provided with material between saidseal and receptacle an internal annular integral shoulder arranged abovean upwardly presented face formed in its side wall and serving as a ofone of these parts and below a downstop to prevent said cushion frombeing wardly presented face of the other, in order 10 pressed upward toofar within said cap. that it may be expanded radially by screw 30 Incombination with a receptacle having home said cap, for ti htening thejoint ing a spout, a plug fitting into said spout between said seal and.sai receptacle. to close the same, a spring seal en aging said Intestimony whereof, I have signed my receptacle to close said s out anarranged name to this specification in the presence of 15 to receive thepressure 0% said plug and an two subscribing witnesses. I ex ansiblegasket arranged under said seal and on the top of a part of saidreceptacle, ALLEN CURTISS in order that such pressure ma spread saidjWitnesses: gasket between said part and te bottom of H. A. TRUESDALE,20 said seal to make a water proof joint. K. W. CowDEN.

